2) press 'Ctrl' and 'Alt' keys followed by left and right arrows.
3) press 'Ctrl' and 'Alt' keys followed by workspace number on keypad.
4) press 'Ctrl' and 'F1' for W1, 'Ctrl' and Fx where x is Function key 1-12 for corresponding Workspace

To add/remove workspaces:to add press 'Alt' and 'Insert'
to delete last workspace press 'Alt' and 'Delete'

Repositioning a windowUse any of these ways
1) Left mouse click on title bar of window and hold button now while repositioning
When you can not get to the title bar so you can reposition the window use either of these methods:2) Hold down the Alt key now left click mouse hold and reposition then release button when done
3) press 'Alt' and then 'spacebar' release then 'm', use arrow keys to reposition and press enter

To resize windowUse any of these ways
1) Use left mouse click on the fringes of the window
2) [WOW!] 'Alt' and right mouse click while you hold the mouse pointer anywhere over the window frame

To add flash player to your firefox browser follow these stepsFrom the top panel [panel 0]
step1: Left mouse click on 'Applications' then
step2: Left mouse click on 'Ubuntu Software Center' then
step3: search for flash then
step4: double left mouse click on 'Adobe Flash plugin'
step5: read adobe flash plugin text at 'Developer Web Site' and if you agree then
step6: left mouse click on 'Install' if that button does not appear but rather you see
a 'Remove' button then Flash plugin is already installed
step7: wait for step6 to finish then close the 'Ubuntu Software Center' window
step8: If you have any firefox windows open; close them and then restart firefox,
you should now be able to browse websites with flash content such sites include www.youtube.com

Toggling firefox from full-screen to non-full-screenPress key F11 to toggle between full-screen and non-full-screen

Toggling LibreOffice programs from full-screen to non-full-screenPress and hold keys 'Ctrl' and 'Shift' and then press the 'j' key.